Feb 15, 2013 11:00pm EST
of stones. >> reporter: this is home to the u.s. national meteorite collection. some of these rocks are more than 4 billion years old. >> we're looking at a snapshot of the very beginnings of our solar system when we look at this type of rock. >> reporter: dr. bullock said the russian meteor likely came from the astroid belt between mars and jupiter. >> once in a while we get lucky. we get a piece of rock from the mars or the moon, but in this instance we think it's most likely it came from the astroid belt. >> reporter: not the astroid that just passed close to our world. that was predicted. the russian meteor came out of the blue. >> this came out of egypt. >> reporter: believe to have struck and killed a dog when it fell to earth in 1911. this meteor created a crater in arizona, one of the largest impacts on the planet and this wharton meteorite crashed through a doctor's office in virginia in january of 2010. >> this was the ceiling tile above the exam room where the meteor landed. >> reporter: today's event might have been rough for the russian people but vital for science.
Feb 14, 2013 11:00pm EST
education were more likely to use plan b. no. 4, the std rate in the u.s. is growing. new data from the centers for disease control and prevention found in 2008 there were 20 million new incidents of infection in the u.s. at a cost of nearly $16 billion. researchers say people ages 15 to 24 account for about half of all sexually transmitted diseases. no. 3, more proof synthetic marijuana can be hazardous to your health. it's now been linked to kidney damage in teenagers and young adults. 16 people who smoked drugs like k2 and spice were hospitalized with kidney problems last year. all of them recovered, but five now need dialysis. no. 2, the neighborhood assistance corporation of america will be at the d.c. armory through monday helping homeowners find ways to reduce their monthly mortgage payments. they're also helping buyers get good rates. counselors will be available from 8 a.m. through 6 p.m. through monday. no. 1, if you like ben's chili bowl on u street, you'll love it on eighth street northeast. a brand-new location will be open by the elbow of the year at the attorney -- en